▻Sudoku - Classic Brain Game

▻Sudoku - Classic Brain Game brings the timeless 9x9 logic puzzle to iPhone and iPad with thousands of free puzzles across Easy, Medium, Hard and Expert levels. Solve at your own pace, improve your focus and build a daily brain-training habit with quick games or longer challenges.

Earn points for speed, accuracy and completed rows, columns and blocks. Build Runs by solving consecutive puzzles, compete on Game Center leaderboards, and use helpful tools like pencil notes, hints, undo and auto-check when needed. Enjoy a clean, classic design and optional ad-free play through a subscription.